<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>剩余参数</title>
</head>
<body>
<script type="text/javascript">
    // const sum = (...args) => {
    // 	let total = 0;
    // 	args.forEach(item => total += item);
    // 	return total;
    // };

    // console.log(sum(10, 20));
    // console.log(sum(10, 20, 30));


    let ary1 = ['张三', '李四', '王五'];
    let [s1, ...s2] = ary1;
    console.log(s1);
    console.log(s2);

    const sum2 = (...args) => {
        let total = 0;
        args.forEach((item) => total += item);
		console.log(total)
    };

    sum2(10, 20);
    sum2(10, 20, 30)

</script>
</body>
</html>